Objective / Rules- Complete the grid such that every row and column contains every number exactly once.- The symbols on the grid indicate neighbours (e.g. 1 >< 2, 3 >< 4, 2 >< 1).- Rule 1 - a symbol between = the numbers are neighbours.- Rule 2 - NOT a symbol between = the numbers are NOT neighbours.

Keyboard Usage[only when your cursor is in the grid]Note: not all options work on all browsers.A = auto-pencil marks (or click the check box).CTRL + arrows = move around the grid.SHIFT + number = highlight all squares with that number as a pencil mark [SHIFT+0 to clear].

Mouse UsageClicking a neighbour symbol will change its colour, very useful when you know the symbol has been satisfied."Show squares with a..." highlights all squares with that number as a pencil mark.

CheckingThe system automatically checks that symbols and not symbols are being followed for single numbers (but doesn't check whether the numbers are correct).

If you click 'Check' the system will check for incorrect squares. If 'Show mistakes when checking' is checked they will be marked in red. There are two types of error checked for:1. A single number that isn't the same as the solution.2. Multiple numbers that don't contain the solution number.

UniquenessEach puzzle has exactly one solution, which can be found using logic alone and no guesses are ever required.

JavaScriptThis game requires JavaScript to be enabled.

[Unique Reference = Neighbours-0315-6x6-Medium-982428]

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